Direction adjusting mechanism for mold printing

The invention discloses a direction adjusting mechanism for mold printing. The direction adjusting mechanism comprises a pair of frame supports. Each frame support comprises an upper mounting seat and a lower mounting seat, vertical guide rail seats are fixed between the upper mounting seat and an outer end portion of the lower mounting seat, vertical sliding seats are slidingly arranged on the vertical guide rail seats, mold head support seats are disposed in frame supports, cross guide rail seats are fixed on the vertical sliding seats, cross sliding seats slidingly matched with the cross guide rail seats are fixed on the mold head support seats, and hand wheels for pushing the vertical sliding seats to move vertically are rotatably arranged on the upper mounting seat. Sliding table cylinders for achieving stretching or releasing of a mold head and dial plate hand wheels for pushing a mold head support to move horizontally in order to achieve accurate positioning of the mold head are ...

Alloy steel and heat treatment method thereof

The invention relates to an alloy steel and a heat treatment method thereof. The invention is characterized in that the alloy steel comprises the elements according to the mass percent: 0.2-0.3% of C, 0.4-0.6% of Si, 1.2-1.5% of Mn, 0.8-0.9% of Cr, 1.8-2.0% of Ni, 0.2-0.4% of Mo, 0.01-0.1% of RE, 0.03-0.06% of Nb, 0.002-0.004% of B, less than 0.04% of P, less than 0.04% of S and the rest of Fe. The heat treatment method of the alloy steel is characterized in that the alloy steel is heated up to 930-950 DEG C at the speed of 100DEG C/h, the temperature is maintained for 4h, and then furnace is cooled to 250 DEG C; reactant is heated up to 900-920 DEG C at the speed of 100DEG C/h, the temperature is maintained for 4h, and then the water temperature is cooled to 20-45 DEG C by water cooling or air cooling; then the reactant is heated up to 250-300 DEG C again followed by being processed by furnace cooling. The alloy steel and the heat treatment method thereof lead the hardness and the wearing ...

Environment-friendly equipment for soil pollution remediation

The invention relates to environmental protection equipment, in particular to environmental protection equipment for soil pollution remediation. The invention aims to provide efficient environment-friendly equipment for soil pollution remediation. Environment-friendly equipment for soil pollution remediation comprises a liquid medicine box, an integrated controller, a protective plate shell and the like, a filling hole used for adding soil remediation liquid is formed in the liquid medicine box, the integrated controller is fixedly installed on the liquid medicine box, and the protective plate shell used for blocking dust and other impurities generated during plowing is fixedly installed on the liquid medicine box. When the driving wheel moves, the plowing device is driven to synchronously turn over hardened soil, and then a convex block on the driving wheel ejects an ejector rod to move, so that a sprayer is driven to move back and forth in a reciprocating manner, and the sprayer can uniformly ...

Abrasion-resistant material for wet-type and weak acidic medium

The invention relates to an anti-abrasion material used in a wet weak-acidic medium. The material is characterized by consisting of the following elements by mass percentages: 0.17-0.26% of C, 12.5-14.5% of Cr, 0.5-1.2% Mn, 0.01-0.18% of Ni, 0.2-0.6% of Mo, 0.5-1.2% of Cu, less than 0.05% of P, less than 0.05% of S, 0.3-0.9% of Si, and Fe. The anti-abrasion material used in the wet weak-acidic medium has the excellent comprehensive corrosion wear resistance under the situation of 49 minus or plus 51 DEG C and dynamic impingement corrosion and wear of the weak-acidic medium, and the comprehensive corrosion wear resistance can be increased by more than twice compared with the manganese steel (Mn13Cr2) under the same condition.

Split type side guard device applicable for transition support of large coal mining height fully-mechanized face

The invention discloses a split type side guard device applicable for a transition support of a large coal mining height fully-mechanized face. The device comprises a top beam large side plate, a shield beam large side plate, a top beam movable side plate and a shield beam movable side plate, wherein the top beam large side plate and the shield beam large side plate are in box structures and are welded at the same side of a top beam and a shield beam of a hydraulic support; the top beam movable side plate and the shield beam movable side plate are hinged at the other side of the top beam and the shield beam of the hydraulic support; the top beam movable side plate and the shield beam movable side plate are respectively provided with a lateral pushing jack for hinging with the top beam and the shield beam of the hydraulic support; the lower edge of the top beam large side plate in the box structure is horizontally hinged with a lower side plate through an attachment lug; and the lower side ...

Program switchover method and device and terminal

The invention relates to the field of televisions and provides a program switchover method. The method comprises the following steps that a current program transport stream is received, the current program audio and video type information is obtained, and transport identification information of audio and video data of the current program transport stream is also obtained; when it is judged that the current program audio and video type information is the same with the last program transport stream audio and video type information, the transport identification information of the audio and video data of the current program transport stream is replaced with transport identification information of audio and video data of a last program, program mapping information of the last program is used for replacing program mapping information of a current program, and the current program transport stream obtained by replacing the transport identification information and the program mapping information ...

Mould for casting grinding ball, die plate for casting mould and method for making grinding ball

A mould for casting grinding balls is composed of left and right sand semi-moulds. It features that at the middle part of the parting surface of left and right semi-moulds, there is the casting channel without riser head, several rows of semi-spherical cavities communicated with said casting channel are arranged at both sides of said casting channel, and there are short and fine ways between saidsemi-spherical cavities. Its advantages are high utilization rate of metal (up to 92%), low cost, and high quality of grinding balls.

Method for acquiring groundwater pollution condition of plain terrain refuse landfill

The invention relates to a plain terrain refuse landfill groundwater pollution condition acquisition method which comprises the following steps: acquiring a leakage area possibly existing around a refuse landfill, and acquiring pollutant concentrations of the leakage area at a plurality of set positions through drilling; geophysical prospecting is carried out by adopting a geophysical prospecting method, the suspected polluted area is identified according to geophysical prospecting parameters obtained by geophysical prospecting, and a quantitative relation between the geophysical prospecting parameters and the pollutant concentrations is established according to the pollutant concentrations of the plurality of set positions and the corresponding geophysical prospecting parameters; determining a geophysical prospecting parameter threshold according to the critical pollutant concentration and the quantitative relation; and identifying the suspected pollution area according to the geophysical ...

Novel shoulder joint postoperative functional rehabilitation oversleeve

The invention discloses a novel shoulder joint postoperative functional rehabilitation oversleeve, belongs to the technical field of orthopedic sports medical surgical instruments, and aims to provide the novel shoulder joint postoperative functional rehabilitation oversleeve to solve the problems that a patient feels uncomfortable and wearing is difficult due to the fact that an existing triangular towel is used for fixing. The oversleeve comprises an oversleeve body, the oversleeve body comprises a strap, the strap is connected with a shoulder strap, the side edge of the shoulder strap is connected with a sleeve strap, the strap, the shoulder strap and the sleeve strap are filled with air bags, and the air bags are communicated with air ports. And self-adhesive magic tapes are arranged at the connecting parts at the two ends of the strap. Fabric layers are arranged on the sides, close to the skin of the human body, of the straps, the shoulder straps and the sleeve straps. The invention ...

Abrasion-resistant material for wet-type and weak acidic medium

The invention relates to an anti-abrasion material used in a wet weak-acidic medium. The material is characterized by consisting of the following elements by mass percentages: 0.17-0.26% of C, 12.5-14.5% of Cr, 0.5-1.2% Mn, 0.01-0.18% of Ni, 0.2-0.6% of Mo, 0.5-1.2% of Cu, less than 0.05% of P, less than 0.05% of S, 0.3-0.9% of Si, and Fe. The anti-abrasion material used in the wet weak-acidic medium has the excellent comprehensive corrosion wear resistance under the situation of 49 minus or plus 51 DEG C and dynamic impingement corrosion and wear of the weak-acidic medium, and the comprehensive corrosion wear resistance can be increased by more than twice compared with the manganese steel (Mn13Cr2) under the same condition.

Broadcasting method based on digital TV browser

The invention discloses a broadcasting method based on a digital TV browser. The method includes the steps that a TV host receives an operating instruction sent by a user; according to the operating instruction sent by the user, a page corresponding to the operating instruction is loaded through the browser on the TV host; when the page corresponding to the operating instruction is loaded by the browser, operating information is obtained by executing the script of the page corresponding to the operating instruction, the operating information comprises the operating instruction and is sent to a condition receiving card CAM, the CAM card is made to process the operating information, and a processing result is returned to the TV host; the TV host receives the processing result returned by the CAM card, and the processing result is displayed on the page loaded by the browser. According to the method, various GUIs with different standard formats can be supported to be played, and requirements ...

Adjustable angle's novel hematoma chamber drainage tube

The utility model relates to an adjustable angle's novel hematoma chamber drainage tube, it includes: a drainage tube is also provided in the utility model. The setting is in the gasbag and the gas ducting of drainage tube outer wall, the gas ducting with the gasbag communicates with each other, during the interior gassiness of gasbag the intracapsular gas pressure of gas makes the drainage tube is in gasbag department buckles. Foretell hematoma chamber drainage tube can be through the angle of dashing the bag change drainage tube of exitting to can be in bone window external drainage, less infection chance, and drainage tube and brain relative position are fixed, and the intracavity section degree of depth and direction can not change, can not cause the damage to brain tissue on every side, the outer section direction of cranium changes can not influence the intracavity section, if a small amount of oozing of blood of the postoperative surface of a wound or secondary are bled, can the ...

Three-stage side protecting mechanism of hydraulic support

The invention discloses a hydraulic support three-level side protection mechanism. The side protection structure comprises a first-level side protection plate which is hinged with the front end of a telescopic girder of a ceiling girder of a hydraulic support, and a first-level side protection jack arranged on the telescopic girder. A knockout-pin of the first-level side protection jack is hinged with the back part of the first-level side protection plate through a small four-bar mechanism. A second-level side protection plate is hinged with the front end of the first-level side protection plate; and a third-level side protection plate is hinged with the front end of the second-level side protection plate. A second-level side protection jack is arranged on the first-level side protection plate; and a knockout-pin of the second-level side protection jack is hinged with the back part of the second-level side protection plate. A third-level side protection jack is arranged on the second-level ...

Mould for casting grinding ball, die plate for casting mould and method for making grinding ball

Prefabricated part of composite abrasion-resistant part and method for manufacturing abrasion-resistant part with same

The invention relates to a prefabricated part of a composite abrasion-resistant part and a method for manufacturing the abrasion-resistant part with the same. The prefabricated part is formed by mixing metal powder with carbide ceramic particles or particles by crushing a hard alloy and sintering the mixture at a high temperature and can be made into special shapes of columns, strips, blocks, honeycombs, and the like. The method comprises the following steps of: regularly arranging prefabricated parts on the end surface of a cast form; casting liquid metal by adopting a common or negative pressure cast method; impregnating the liquid metal into the prefabricated parts to form an abrasion-resistant part of a composite material, wherein the surface layer of the abrasion-resistant part comprises a matrix metal and a composite material. The abrasion-resistant part of the composite material, which is made by using the method, ensures the wear-resistant performance of the abrasion-resistant part ...

A hierarchical power supply system for miniature data center

The utility model discloses a hierarchical power supply system for miniature data center, including electrical power unit, battery, intelligent monitoring and management unit, intelligent electric power distribution administrative unit and a plurality of IT equipment, this battery electricity is connected in electrical power unit, this electrical power unit front end and commercial power electricity connection, and the rear end then provides electric power, its characterized in that for IT equipment via intelligent electric power distribution administrative unit: this electrical power unit andintelligent monitoring and management unit communication connection to can fall the electric alarm signal with the electric main, warning signal and electric main recovering warning signal report theintelligent monitoring and management unit in advance to hold battery under voltage, the intelligent monitoring and management unit carries out hierarchical confession magnetron reason to IT equipment when ...

Mold printing compression roller regulating mechanism

The invention discloses a mold printing compression roller regulating mechanism comprising a left wallboard and a right wallboard. The mold compression roller is arranged between the left wallboard and the right wallboard. Upper mounting base and lower mounting base are fixed on the inner side surface of the left wallboard and the right wallboard, an upper guiding shaft is arranged between the upper mounting base, a lower guiding shaft is arranged on the lower mounting base, a compression roller support is arranged between the upper mounting base and the lower mounting base, shaft heads at two ends of the mold compression roller are arranged in an arc shaped base of the compression roller base in a rolling manner, the upper portion of the compression roller support matches with the upper guiding shafts in a sliding manner, the lower portion of the compression roller support matches with the lower guiding shafts in a sliding manner, and a cylinder used for pushing the compression roller ...

Composite heat treatment

Composite heat treatment

A duplex heat treating process for workpiece includes such steps as heating to austenite state, penetrating C or C and N to obtain a prepenetrated layer, lowering temp to 620-720 deg.c, penetrating Nor N and C, direct quenching, and having time effect at 200-300 deg.c or isothermal quenching at 200-300 deg.c. Its advantages are high hardness (greater than 900 HV) and lower deformation.